SO THAT THE DRAIN DOES NOT REMOVE

For the Novosibirsk region, the Ussuri plum turned out to be the most promising, since other types of plum (home plum, blackthorn, cherry plum, plum-cherry hybrids) in our climate are weakly winter-hardy and strongly vanish.

Back in the 50s. of the last century, my father, Alexander Grigorievich Kudryavtsev, an experienced gardener, lecturer and author of books on gardening, was studying the Ussuri plum. He grew plums from seeds that were sent to him from the Far East (mostly from Khabarovsk). At that time, it was believed that the Ussuri plums in Novosibirsk were freezing out. But in the course of research, the father came to the conclusion that the plum vomits. He analyzed the climate of Khabarovsk and compared it with the Siberian one.

Plums are not afraid of frosts up to - 45 degrees, but in Khabarovsk there is little snow, and therefore the ground freezes more. In our country, in winter, there are snowdrifts up to 2 m, and under the snow it is quite warm - from 0 to - 2 degrees.

At this temperature, many microorganisms develop that live in the snow and eat organic matter (old grass, foliage, bark). It turned out that the Ussuri plum does not have immunity from these microorganisms, since in Khabarovsk they are inactive in winter with severe freezing. Alexander Grigorievich noticed that in the snowless winters, the plum and its shoots fell out less, and with a high snow cover, the trunk fell out from the ground to a height of 10-40 cm (higher, where the snow is colder, there was no such problem).

The crown, which overwintered well in frosts, bloomed in spring and even bloomed its leaves. But due to a violation of the connection with the roots, it quickly dried up, giving abundant root shoots.

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See also: We choose not decking rootstocks for plums

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PROTECTING DRAINS FROM EXPOSURE - BY EXPERIENCE

Father found a way protection of plums from evaporation - by freezing the ground. Next to the trunk, he put a tall metal barrel with a volume of 200 liters, bottom up, which helped to freeze the soil at the root collar. After that, the trees began to winter well.

What else can you do? Since I have been dealing with this culture for many years, I would like to advise the following.

Plant a plum on a hill with a height of 0-5 m. Instead, formwork, a box without a bottom, filled with earth, will do. This method is especially good for areas with a close occurrence of groundwater. In winter, the wind will blow snow off the hill - and the trunk of the plum will not blow out.

You can plant a plum next to an unheated shed or veranda in winter. In this case, it does not matter whether there is snow near the barn or not. Even under a deep snowdrift from under the shed, the cold will pass through the ground to the root collar, which will not allow microorganisms to grow.

Sometimes they put buckets or a bathtub upside down near the plum, but this is not enough: they are covered with snow, and the necessary freezing does not occur. But if you put buckets on an inverted bath so that their bottoms are above the surface of the snow, then the result will be good.

You can, of course, after heavy snowfalls, partially rake off the snow from the trunk or trample, but this is quite troublesome.

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See also: Plum - planting and care: BEST gardener tips

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PLUM USSURI - VIDEO

© Author: Tatiana SOLOVEY, Novosibirsk. Photo by the author

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